/* ============================================================
   kb333.cfd  -  surfaceec84e- design system (mobile first)
   Palette anchors: #FFEFD5 / #FFDEAD / #87CEFA / #2C3E50 / #CCCCCC / #48D1CC
   Deep tones act as background, light tones as foreground.
   ============================================================ */

:root {
  --surfaceec84e-bg-deep: #2C3E50;
  --surfaceec84e-bg-deep-2: #21303f;
  --surfaceec84e-bg-deep-3: #182432;
  --surfaceec84e-card: #253648;
  --surfaceec84e-card-2: #2d4258;
  --surfaceec84e-card-3: #34506a;
  --surfaceec84e-text: #FFEFD5;
  --surfaceec84e-text-soft: #FFDEAD;
  --surfaceec84e-text-muted: #CCCCCC;
  --surfaceec84e-text-dim: #9aa6b2;
  --surfaceec84e-accent: #87CEFA;
  --surfaceec84e-accent-2: #48D1CC;
  --surfaceec84e-warm: #FFDEAD;
  --surfaceec84e-line: rgba(255, 239, 213, 0.14);
  --surfaceec84e-line-strong: rgba(255, 239, 213, 0.32);
  --surfaceec84e-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
  --surfaceec84e-shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.25);
  --surfaceec84e-radius-s: 4px;
  --surfaceec84e-radius-m: 7px;
  --surfaceec84e-radius-l: 10px;
  --surfaceec84e-radius-pill: 999px;
  --surfaceec84e-gap: 12px;
  --surfaceec84e-touch: 44px;
  --surfaceec84e-topbar-h: 60px;
  --surfaceec84e-bottomnav-h: 64px;
  --surfaceec84e-maxw: 480px;
}

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Hind Siliguri", "Noto Sans Bengali", "SolaimanLipi", system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--surfaceec84e-bg-deep);
  color: var(--surfaceec84e-text);
  line-height: 1.55;
  font-size: 15px;
  min-height: 100vh;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: var(--surfaceec84e-accent); text-decoration: none; }
a:hover { color: var(--surfaceec84e-text-soft); }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--surfaceec84e-accent-2);
  outline-offset: 2px;
  border-radius: 4px;
}

h1, h2, h3, h4 { margin: 0; line-height: 1.3; font-weight: 700; color: var(--surfaceec84e-text); }
p { margin: 0 0 10px; }
ul, ol { margin: 0 0 12px; padding-left: 20px; }
li { margin-bottom: 6px; }

/* ============================================================
   Page shell - centered mobile canvas up to wide screens
   ============================================================ */
.surfaceec84e-page {
  max-width: var(--surfaceec84e-maxw);
  margin: 0 auto;
  background: linear-gradient(180deg, #21303f 0%, #2C3E50 35%, #2C3E50 100%);
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
  box-shadow: var(--surfaceec84e-shadow);
}

.surfaceec84e-main {
  padding: calc(var(--surfaceec84e-topbar-h) + 12px) 14px calc(var(--surfaceec84e-bottomnav-h) + 28px);
}

/* ============================================================
   Top brand bar - compact brand strip + action rail
   ============================================================ */
.surfaceec84e-topbar {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: var(--surfaceec84e-maxw);
  height: var(--surfaceec84e-topbar-h);
  background: linear-gradient(180deg, rgba(24, 36, 50, 0.98) 0%, rgba(33, 48, 63, 0.96) 100%);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--surfaceec84e-line);
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
}

.surfaceec84e-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  flex: 1;
  min-width: 0;
}

.surfaceec84e-brand-logo {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  object-fit: cover;
  border: 1px solid var(--surfaceec84e-line-strong);
  background: var(--surfaceec84e-card);
  flex-shrink: 0;
}

.surfaceec84e-brand-name {
  font-weight: 800;
  font-size: 19px;
  color: var(--surfaceec84e-text-soft);
  letter-spacing: 0.4px;
  line-height: 1;
}
.surfaceec84e-brand-tag {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--surfaceec84e-text-dim);
  margin-top: 3px;
  letter-spacing: 0.3px;
}

.surfaceec84e-topactions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.surfaceec84e-btn {
  -webkit-appearance: none;
  appearance: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  padding: 0 14px;
  height: 36px;
  border-radius: var(--surfaceec84e-radius-pill);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
  text-decoration: none;
  line-height: 1;
  white-space: nowrap;
}
.surfaceec84e-btn:active { transform: translateY(1px) scale(0.98); }

.surfaceec84e-btn-register {
  background: linear-gradient(135deg, #FFDEAD 0%, #ffd089 100%);
  color: #2C3E50;
  box-shadow: 0 3px 10px rgba(255, 222, 173, 0.25);
}
.surfaceec84e-btn-register:hover { color: #2C3E50; background: linear-gradient(135deg, #ffe7bd 0%, #ffd89b 100%); }

.surfaceec84e-btn-login {
  background: transparent;
  color: var(--surfaceec84e-text);
  border: 1px solid var(--surfaceec84e-line-strong);
}

.surfaceec84e-iconbtn {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--surfaceec84e-card);
  border: 1px solid var(--surfaceec84e-line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--surfaceec84e-text);
  padding: 0;
  flex-shrink: 0;
}
.surfaceec84e-iconbtn svg { width: 20px; height: 20px; }

/* ============================================================
   Full-height menu layer
   ============================================================ */
.surfaceec84e-menu {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: var(--surfaceec84e-maxw);
  height: 100vh;
  height: 100dvh;
  background: rgba(15, 24, 33, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 80;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -8px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
}
.surfaceec84e-menu-open {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%);
}

.surfaceec84e-menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--surfaceec84e-line);
  flex-shrink: 0;
}
.surfaceec84e-menu-head h2,
.surfaceec84e-menu-title {
  font-size: 16px;
  color: var(--surfaceec84e-text-soft);
  font-weight: 700;
  margin: 0;
}
.surfaceec84e-menu-close {
  background: transparent;
  border: 1px solid var(--surfaceec84e-line);
  color: var(--surfaceec84e-text);
  width: 36px;
  height: 36px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
}

.surfaceec84e-menu-body {
  flex: 1;
  overflow-y: auto;
  padding: 8px 12px 24px;
  -webkit-overflow-scrolling: touch;
}

.surfaceec84e-menu-section-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--surfaceec84e-text-dim);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  margin: 18px 6px 8px;
}
.surfaceec84e-menu-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 6px;
}
.surfaceec84e-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  border-radius: var(--surfaceec84e-radius-m);
  background: var(--surfaceec84e-card);
  border: 1px solid transparent;
  color: var(--surfaceec84e-text);
  font-size: 15px;
  font-weight: 600;
  min-height: 48px;
  transition: background 0.18s ease, border-color 0.18s ease;
}
.surfaceec84e-menu-item:hover { background: var(--surfaceec84e-card-2); color: var(--surfaceec84e-text); }
.surfaceec84e-menu-item-current {
  border-color: var(--surfaceec84e-accent-2);
  background: var(--surfaceec84e-card-2);
}
.surfaceec84e-menu-item-num {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--surfaceec84e-bg-deep-3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--surfaceec84e-text-soft);
  font-size: 12px;
  font-weight: 800;
  flex-shrink: 0;
}
.surfaceec84e-menu-item-meta {
  font-size: 12px;
  color: var(--surfaceec84e-text-dim);
  font-weight: 500;
  margin-left: auto;
}

.surfaceec84e-menu-foot {
  padding: 14px 16px 22px;
  border-top: 1px solid var(--surfaceec84e-line);
  display: grid;
  gap: 8px;
  flex-shrink: 0;
}
.surfaceec84e-menu-cta {
  width: 100%;
  height: 46px;
  font-size: 14px;
}

/* ============================================================
   Hero + carousel
   ============================================================ */
.surfaceec84e-hero {
  margin: 4px 0 18px;
  position: relative;
}
.surfaceec84e-hero-h1 {
  font-size: 22px;
  font-weight: 800;
  color: var(--surfaceec84e-text-soft);
  margin: 6px 2px 6px;
  line-height: 1.25;
  text-wrap: balance;
}
.surfaceec84e-hero-sub {
  color: var(--surfaceec84e-text-muted);
  font-size: 14px;
  margin: 0 2px 14px;
}

.surfaceec84e-carousel {
  position: relative;
  border-radius: var(--surfaceec84e-radius-l);
  overflow: hidden;
  background: var(--surfaceec84e-card);
  box-shadow: var(--surfaceec84e-shadow);
  border: 1px solid var(--surfaceec84e-line);
}
.surfaceec84e-carousel-viewport {
  overflow: hidden;
  border-radius: var(--surfaceec84e-radius-l);
}
.surfaceec84e-carousel-track {
  display: flex;
  transition: transform 0.45s cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: transform;
}
.surfaceec84e-slide {
  flex: 0 0 100%;
  position: relative;
  display: block;
  text-decoration: none;
  color: inherit;
  appearance: none;
  border: 0;
  padding: 0;
  background: transparent;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
}
.surfaceec84e-slide img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}
.surfaceec84e-slide-cap {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  background: linear-gradient(180deg, rgba(15, 24, 33, 0) 0%, rgba(15, 24, 33, 0.78) 80%);
  color: var(--surfaceec84e-text);
  padding: 24px 12px 10px;
  border-radius: 0 0 var(--surfaceec84e-radius-l) var(--surfaceec84e-radius-l);
}
.surfaceec84e-slide-cap-title {
  font-weight: 700;
  font-size: 15px;
  color: var(--surfaceec84e-text-soft);
  line-height: 1.3;
  margin-bottom: 3px;
}
.surfaceec84e-slide-cap-text {
  font-size: 12px;
  color: var(--surfaceec84e-text-muted);
  line-height: 1.4;
}

.surfaceec84e-carousel-ctrl {
  position: absolute;
  top: 50%;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(15, 24, 33, 0.55);
  border: 1px solid var(--surfaceec84e-line-strong);
  color: var(--surfaceec84e-text);
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  z-index: 2;
}
.surfaceec84e-carousel-ctrl:hover { background: rgba(15, 24, 33, 0.8); color: var(--surfaceec84e-text); }
.surfaceec84e-carousel-prev { left: 8px; }
.surfaceec84e-carousel-next { right: 8px; }
.surfaceec84e-carousel-ctrl svg { width: 16px; height: 16px; }

.surfaceec84e-carousel-dots {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 3;
}
.surfaceec84e-carousel-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 239, 213, 0.45);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: width 0.25s ease, background 0.25s ease;
}
.surfaceec84e-carousel-dot-active {
  background: var(--surfaceec84e-text-soft);
  width: 18px;
  border-radius: 4px;
}

/* ============================================================
   Sections
   ============================================================ */
.surfaceec84e-section {
  margin: 22px 0;
}
.surfaceec84e-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: 0 2px 12px;
  gap: 8px;
}
.surfaceec84e-section-h2 {
  font-size: 18px;
  color: var(--surfaceec84e-text-soft);
  font-weight: 800;
  line-height: 1.25;
}
.surfaceec84e-section-h2 .surfaceec84e-pip {
  display: inline-block;
  width: 6px;
  height: 16px;
  background: linear-gradient(180deg, var(--surfaceec84e-text-soft), var(--surfaceec84e-accent-2));
  border-radius: 3px;
  margin-right: 8px;
  vertical-align: -2px;
}
.surfaceec84e-section-link {
  font-size: 12px;
  color: var(--surfaceec84e-accent);
  font-weight: 600;
}
.surfaceec84e-section-intro {
  margin: 0 2px 12px;
  color: var(--surfaceec84e-text-muted);
  font-size: 13px;
}

/* ============================================================
   Category tabs (visible "all by default" + filter helper)
   ============================================================ */
.surfaceec84e-cattabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 2px 2px 8px;
  margin: 0 0 12px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.surfaceec84e-cattabs::-webkit-scrollbar { display: none; }
.surfaceec84e-cattab {
  flex-shrink: 0;
  padding: 8px 14px;
  border-radius: var(--surfaceec84e-radius-pill);
  background: var(--surfaceec84e-card);
  color: var(--surfaceec84e-text-muted);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--surfaceec84e-line);
  cursor: pointer;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}
.surfaceec84e-cattab:hover { color: var(--surfaceec84e-text); }
.surfaceec84e-cattab-active {
  background: linear-gradient(135deg, var(--surfaceec84e-text-soft) 0%, #ffd089 100%);
  color: #2C3E50;
  border-color: transparent;
}

/* ============================================================
   Game grid - dense mobile tiles (4 cols at 320, 4-5 at 375+)
   ============================================================ */
.surfaceec84e-game-group {
  margin: 6px 0 22px;
}
.surfaceec84e-game-group-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 2px 10px;
}
.surfaceec84e-game-group-glyph {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--surfaceec84e-bg-deep-3);
  color: var(--surfaceec84e-text-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  flex-shrink: 0;
}
.surfaceec84e-game-group-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--surfaceec84e-text);
  flex: 1;
  line-height: 1.2;
}
.surfaceec84e-game-group-count {
  font-size: 11px;
  color: var(--surfaceec84e-text-dim);
  background: var(--surfaceec84e-card);
  padding: 3px 8px;
  border-radius: var(--surfaceec84e-radius-pill);
  font-weight: 600;
}

.surfaceec84e-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.surfaceec84e-game-card {
  appearance: none;
  width: 100%;
  font-family: inherit;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  text-decoration: none;
  color: inherit;
  background: var(--surfaceec84e-card);
  border: 1px solid var(--surfaceec84e-line);
  border-radius: var(--surfaceec84e-radius-m);
  padding: 6px;
  overflow: hidden;
  position: relative;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
  min-height: 92px;
}
.surfaceec84e-game-card:hover, .surfaceec84e-game-card:active {
  transform: translateY(-2px);
  border-color: var(--surfaceec84e-accent-2);
  background: var(--surfaceec84e-card-2);
  color: inherit;
}
.surfaceec84e-game-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 10px;
  background: var(--surfaceec84e-bg-deep-3);
  display: block;
}
.surfaceec84e-game-name {
  font-size: 11px;
  color: var(--surfaceec84e-text-muted);
  margin-top: 5px;
  line-height: 1.25;
  font-weight: 500;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 28px;
}

/* wider phones get 5 columns for tighter horizontal density */
@media (min-width: 375px) {
  .surfaceec84e-game-grid { grid-template-columns: repeat(4, 1fr); gap: 9px; }
}
@media (min-width: 430px) {
  .surfaceec84e-game-grid { grid-template-columns: repeat(5, 1fr); gap: 10px; }
  .surfaceec84e-slide img { height: 200px; }
}

/* ============================================================
   Info blocks: cards, lists, takeaways, checklist, table
   ============================================================ */
.surfaceec84e-card {
  background: var(--surfaceec84e-card);
  border: 1px solid var(--surfaceec84e-line);
  border-radius: var(--surfaceec84e-radius-l);
  padding: 16px;
  margin: 10px 0;
  box-shadow: var(--surfaceec84e-shadow-soft);
}
.surfaceec84e-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--surfaceec84e-text-soft);
  margin-bottom: 8px;
}

.surfaceec84e-prose {
  font-size: 14px;
  color: var(--surfaceec84e-text);
  line-height: 1.7;
}
.surfaceec84e-prose p { margin-bottom: 10px; }
.surfaceec84e-prose strong { color: var(--surfaceec84e-text-soft); font-weight: 700; }
.surfaceec84e-prose a { color: var(--surfaceec84e-accent); border-bottom: 1px dashed rgba(135, 206, 250, 0.4); }
.surfaceec84e-prose a:hover { color: var(--surfaceec84e-text-soft); border-bottom-color: var(--surfaceec84e-text-soft); }

.surfaceec84e-info-list {
  list-style: none;
  padding: 0;
  margin: 10px 0 0;
  display: grid;
  gap: 8px;
}
.surfaceec84e-info-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 10px 12px;
  background: var(--surfaceec84e-bg-deep-2);
  border-radius: var(--surfaceec84e-radius-m);
  border: 1px solid var(--surfaceec84e-line);
}
.surfaceec84e-info-marker {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: var(--surfaceec84e-card-3);
  color: var(--surfaceec84e-text-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
  flex-shrink: 0;
}
.surfaceec84e-info-body {
  font-size: 13px;
  color: var(--surfaceec84e-text-muted);
  line-height: 1.55;
}
.surfaceec84e-info-body b { color: var(--surfaceec84e-text); }

.surfaceec84e-takeaways {
  background: linear-gradient(135deg, rgba(72, 209, 204, 0.12) 0%, rgba(135, 206, 250, 0.08) 100%);
  border: 1px solid rgba(72, 209, 204, 0.3);
  border-radius: var(--surfaceec84e-radius-l);
  padding: 16px 16px 14px;
  margin: 14px 0;
}
.surfaceec84e-takeaways h3 {
  font-size: 15px;
  color: var(--surfaceec84e-accent-2);
  margin-bottom: 10px;
  font-weight: 700;
}
.surfaceec84e-takeaways ul {
  margin: 0;
  padding-left: 18px;
}
.surfaceec84e-takeaways li {
  font-size: 13px;
  color: var(--surfaceec84e-text);
  line-height: 1.6;
}

.surfaceec84e-checklist {
  display: grid;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 10px 0;
}
.surfaceec84e-checkrow {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  background: var(--surfaceec84e-card);
  border-radius: var(--surfaceec84e-radius-m);
  border: 1px solid var(--surfaceec84e-line);
  font-size: 13px;
  color: var(--surfaceec84e-text);
}
.surfaceec84e-checkrow::before {
  content: "";
  width: 18px;
  height: 18px;
  border-radius: 5px;
  flex-shrink: 0;
  margin-top: 1px;
  background: var(--surfaceec84e-bg-deep-3);
  border: 2px solid var(--surfaceec84e-accent-2);
  background-image: linear-gradient(135deg, transparent 50%, var(--surfaceec84e-accent-2) 50%);
  background-size: 12px 12px;
  background-position: center;
  background-repeat: no-repeat;
}

.surfaceec84e-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
  margin: 10px 0;
  background: var(--surfaceec84e-card);
  border-radius: var(--surfaceec84e-radius-m);
  overflow: hidden;
  border: 1px solid var(--surfaceec84e-line);
}
.surfaceec84e-table th, .surfaceec84e-table td {
  padding: 9px 10px;
  text-align: left;
  border-bottom: 1px solid var(--surfaceec84e-line);
  vertical-align: top;
}
.surfaceec84e-table th {
  background: var(--surfaceec84e-bg-deep-3);
  color: var(--surfaceec84e-text-soft);
  font-weight: 700;
  font-size: 12px;
}
.surfaceec84e-table td { color: var(--surfaceec84e-text-muted); }
.surfaceec84e-table tr:last-child td { border-bottom: none; }
.surfaceec84e-table b { color: var(--surfaceec84e-text); }

/* ============================================================
   CTA block
   ============================================================ */
.surfaceec84e-cta {
  background: linear-gradient(135deg, #2d4258 0%, #34506a 100%);
  border: 1px solid var(--surfaceec84e-line-strong);
  border-radius: var(--surfaceec84e-radius-l);
  padding: 18px 16px;
  margin: 18px 0;
  text-align: center;
  box-shadow: var(--surfaceec84e-shadow);
}
.surfaceec84e-cta-title {
  font-size: 17px;
  font-weight: 800;
  color: var(--surfaceec84e-text-soft);
  margin-bottom: 6px;
}
.surfaceec84e-cta-text {
  font-size: 13px;
  color: var(--surfaceec84e-text-muted);
  margin-bottom: 14px;
  line-height: 1.55;
}
.surfaceec84e-cta-row {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}
.surfaceec84e-cta-btn {
  height: 44px;
  padding: 0 22px;
  font-size: 14px;
  min-width: 130px;
}
.surfaceec84e-cta-btn-ghost {
  background: transparent;
  color: var(--surfaceec84e-text);
  border: 1px solid var(--surfaceec84e-line-strong);
}

/* ============================================================
   Extended footer (homepage specific)
   ============================================================ */
.surfaceec84e-foot {
  margin-top: 24px;
  border-top: 1px solid var(--surfaceec84e-line);
  padding-top: 18px;
}
.surfaceec84e-foot-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.surfaceec84e-foot-brand img {
  width: 36px; height: 36px; border-radius: 10px;
  border: 1px solid var(--surfaceec84e-line);
}
.surfaceec84e-foot-brand-name {
  font-weight: 800;
  color: var(--surfaceec84e-text-soft);
  font-size: 16px;
}
.surfaceec84e-foot-intro {
  font-size: 12.5px;
  color: var(--surfaceec84e-text-dim);
  line-height: 1.6;
  margin: 0 0 14px;
}

.surfaceec84e-foot-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 14px;
}
.surfaceec84e-foot-block h4 {
  font-size: 12px;
  color: var(--surfaceec84e-text-soft);
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}
.surfaceec84e-foot-block ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 6px;
}
.surfaceec84e-foot-block li a {
  color: var(--surfaceec84e-text-muted);
  font-size: 12.5px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  line-height: 1.4;
}
.surfaceec84e-foot-block li a:hover { color: var(--surfaceec84e-text-soft); }
.surfaceec84e-foot-block li a::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--surfaceec84e-accent-2);
  flex-shrink: 0;
}

.surfaceec84e-foot-promos {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}
.surfaceec84e-foot-promo {
  appearance: none;
  width: 100%;
  font-family: inherit;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surfaceec84e-card);
  border: 1px solid var(--surfaceec84e-line);
  border-radius: var(--surfaceec84e-radius-m);
  padding: 10px 12px;
  color: var(--surfaceec84e-text);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  min-height: 48px;
}
.surfaceec84e-foot-promo:hover { background: var(--surfaceec84e-card-2); color: var(--surfaceec84e-text); }
.surfaceec84e-foot-promo-ico {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--surfaceec84e-bg-deep-3);
  color: var(--surfaceec84e-text-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 800;
}
.surfaceec84e-foot-promo-text { flex: 1; line-height: 1.35; }
.surfaceec84e-foot-promo-arrow { color: var(--surfaceec84e-text-dim); font-size: 14px; }

.surfaceec84e-foot-disclaimer {
  background: var(--surfaceec84e-bg-deep-2);
  border: 1px solid var(--surfaceec84e-line);
  border-radius: var(--surfaceec84e-radius-m);
  padding: 12px 14px;
  font-size: 11.5px;
  color: var(--surfaceec84e-text-dim);
  line-height: 1.6;
  margin-bottom: 12px;
}
.surfaceec84e-foot-copy {
  text-align: center;
  font-size: 11.5px;
  color: var(--surfaceec84e-text-dim);
  padding: 6px 0 4px;
}

/* ============================================================
   Bottom navigation - segmented action bar (5 roles)
   ============================================================ */
.surfaceec84e-bottomnav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: var(--surfaceec84e-maxw);
  height: var(--surfaceec84e-bottomnav-h);
  background: rgba(18, 28, 39, 0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--surfaceec84e-line);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: stretch;
  z-index: 60;
  padding-bottom: env(safe-area-inset-bottom, 0);
}
.surfaceec84e-bottomnav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  text-decoration: none;
  color: var(--surfaceec84e-text-dim);
  background: transparent;
  border: none;
  font-family: inherit;
  cursor: pointer;
  padding: 4px 2px;
  position: relative;
  min-height: var(--surfaceec84e-touch);
  -webkit-tap-highlight-color: transparent;
}
.surfaceec84e-bottomnav-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  border-radius: 0 0 4px 4px;
  background: var(--surfaceec84e-text-soft);
  transition: width 0.22s ease;
}
.surfaceec84e-bottomnav-active {
  color: var(--surfaceec84e-text-soft);
}
.surfaceec84e-bottomnav-active::before { width: 22px; }
.surfaceec84e-bottomnav-ico {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.surfaceec84e-bottomnav-ico svg { width: 20px; height: 20px; }
.surfaceec84e-bottomnav-label {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.2px;
  line-height: 1;
}
.surfaceec84e-bottomnav-promo {
  background: linear-gradient(135deg, #FFDEAD 0%, #ffd089 100%);
  color: #2C3E50;
  border-radius: 14px;
  margin: 6px;
  position: relative;
}
.surfaceec84e-bottomnav-promo .surfaceec84e-bottomnav-label,
.surfaceec84e-bottomnav-promo .surfaceec84e-bottomnav-ico { color: #2C3E50; }
.surfaceec84e-bottomnav-promo::before { display: none; }

/* ============================================================
   Help-page tools
   ============================================================ */
.surfaceec84e-alert {
  margin-top: 12px;
  padding: 12px 14px;
  background: rgba(72, 209, 204, 0.1);
  border-left: 4px solid var(--surfaceec84e-accent-2);
  color: var(--surfaceec84e-text-muted);
  font-size: 13px;
}
.surfaceec84e-alert strong { color: var(--surfaceec84e-text-soft); }
.surfaceec84e-inline-action,
.surfaceec84e-text-action {
  appearance: none;
  border: 1px solid var(--surfaceec84e-accent-2);
  background: rgba(72, 209, 204, 0.08);
  color: var(--surfaceec84e-text);
  min-height: 44px;
  padding: 9px 14px;
  border-radius: var(--surfaceec84e-radius-s);
  font-family: inherit;
  font-weight: 700;
  cursor: pointer;
}
.surfaceec84e-inline-action { width: 100%; margin-top: 8px; }
.surfaceec84e-text-action { margin-top: 7px; font-size: 12px; }
.surfaceec84e-timeline { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.surfaceec84e-timeline li { display: grid; grid-template-columns: 34px 1fr; gap: 10px; padding: 13px; background: var(--surfaceec84e-card); border: 1px solid var(--surfaceec84e-line); border-radius: var(--surfaceec84e-radius-m); }
.surfaceec84e-timeline-num { width: 30px; height: 30px; display: grid; place-items: center; background: var(--surfaceec84e-bg-deep-3); color: var(--surfaceec84e-accent-2); font-weight: 800; border-radius: 3px; }
.surfaceec84e-timeline h3, .surfaceec84e-term h3, .surfaceec84e-signal h3, .surfaceec84e-feature-matrix h3, .surfaceec84e-compare h3, .surfaceec84e-route-cards h3 { font-size: 14px; color: var(--surfaceec84e-text-soft); margin-bottom: 5px; }
.surfaceec84e-timeline p, .surfaceec84e-term p, .surfaceec84e-signal li, .surfaceec84e-feature-matrix p, .surfaceec84e-compare li, .surfaceec84e-route-cards p { font-size: 12.8px; color: var(--surfaceec84e-text-muted); line-height: 1.6; }
.surfaceec84e-term-grid, .surfaceec84e-feature-matrix, .surfaceec84e-route-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.surfaceec84e-term, .surfaceec84e-feature-matrix article, .surfaceec84e-route-cards article { background: var(--surfaceec84e-card); border: 1px solid var(--surfaceec84e-line); border-radius: var(--surfaceec84e-radius-m); padding: 12px; min-width: 0; }
.surfaceec84e-signal-board { display: grid; gap: 8px; }
.surfaceec84e-signal { border-left: 4px solid; padding: 12px 13px; background: var(--surfaceec84e-card); }
.surfaceec84e-signal ul, .surfaceec84e-compare ul { margin: 0; padding-left: 18px; }
.surfaceec84e-signal-ok { border-color: var(--surfaceec84e-accent-2); }
.surfaceec84e-signal-warn { border-color: var(--surfaceec84e-warm); }
.surfaceec84e-signal-stop { border-color: #e67d7d; }
.surfaceec84e-feature-strip { display: flex; gap: 7px; overflow-x: auto; scrollbar-width: none; margin-top: 12px; }
.surfaceec84e-feature-strip span { flex-shrink: 0; padding: 7px 10px; background: var(--surfaceec84e-card); border: 1px solid var(--surfaceec84e-line); font-size: 12px; color: var(--surfaceec84e-text-muted); }
.surfaceec84e-feature-code { display: inline-block; font-size: 10px; font-weight: 800; color: var(--surfaceec84e-accent-2); background: var(--surfaceec84e-bg-deep-3); padding: 3px 6px; margin-bottom: 7px; }
.surfaceec84e-step-rail { display: grid; gap: 7px; margin: 12px 0; }
.surfaceec84e-step-rail div { display: grid; grid-template-columns: 32px 1fr; gap: 9px; align-items: center; padding: 9px; background: var(--surfaceec84e-bg-deep-2); border-left: 3px solid var(--surfaceec84e-accent-2); }
.surfaceec84e-step-rail b { color: var(--surfaceec84e-text-soft); }
.surfaceec84e-step-rail span { color: var(--surfaceec84e-text-muted); font-size: 12.5px; }
.surfaceec84e-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.surfaceec84e-compare-col { padding: 12px; background: var(--surfaceec84e-card); border-top: 3px solid var(--surfaceec84e-accent-2); }
.surfaceec84e-compare-col + .surfaceec84e-compare-col { border-top-color: var(--surfaceec84e-warm); }
.surfaceec84e-trouble-table { display: grid; gap: 1px; background: var(--surfaceec84e-line); border: 1px solid var(--surfaceec84e-line); overflow: hidden; }
.surfaceec84e-trouble-row { display: grid; grid-template-columns: .8fr .9fr 1.3fr; gap: 6px; background: var(--surfaceec84e-card); padding: 9px 7px; }
.surfaceec84e-trouble-row span { min-width: 0; overflow-wrap: anywhere; font-size: 11.5px; color: var(--surfaceec84e-text-muted); }
.surfaceec84e-trouble-head { background: var(--surfaceec84e-bg-deep-3); }
.surfaceec84e-trouble-head span { color: var(--surfaceec84e-text-soft); font-weight: 800; }
.surfaceec84e-mistakes { padding-left: 20px; }
.surfaceec84e-mistakes li { padding: 6px 0; border-bottom: 1px solid var(--surfaceec84e-line); }
.surfaceec84e-route-cards { grid-template-columns: 1fr; }
@media (max-width: 350px) {
  .surfaceec84e-term-grid, .surfaceec84e-feature-matrix, .surfaceec84e-compare { grid-template-columns: 1fr; }
  .surfaceec84e-trouble-row { grid-template-columns: .7fr .8fr 1.2fr; padding: 8px 5px; }
  .surfaceec84e-trouble-row span { font-size: 10.5px; }
}

/* ============================================================
   Utility
   ============================================================ */
.surfaceec84e-hide { display: none !important; }
.surfaceec84e-sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

/* ============================================================
   Wide-screen guard - keep mobile canvas centered, no overflow
   ============================================================ */
@media (min-width: 481px) {
  body { background: #0f1820; }
  .surfaceec84e-topbar, .surfaceec84e-menu, .surfaceec84e-bottomnav {
    box-shadow: 0 0 24px rgba(0, 0, 0, 0.4);
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .surfaceec84e-carousel-track { transition: none; }
  html { scroll-behavior: auto; }
  * { animation: none !important; transition-duration: 0.01ms !important; }
}